flutter/Android WebView not loading an HTTPS or http URL

flutter/Android WebView not loading an HTTPS or http  URL

You can use the WebView plugin to display a webpage within your Flutter application. A Flutter plugin that provides a WebView widget.

Step 1:

Install web view using the following command 

•  flutter pub add webview_flutter

Step 2:

user android:usesCleartextTraffic="true" to run  HTTP sites. not require for  HTTPS websites

Step 3:

Final Code: You can use the following code to run the website under android

import 'package:flutter/material.dart';
import 'package:webview_flutter/webview_flutter.dart';

void main() {
  runApp(
    const MaterialApp(
      home: WebViewApp(),
    ),
  );
}

class WebViewApp extends StatefulWidget {
  const WebViewApp({Key? key}) : super(key: key);

  @override
  State<WebViewApp> createState() => _WebViewAppState();
}

class _WebViewAppState extends State<WebViewApp> {
  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: const Text('Flutter WebView'),
      ),
      body: const WebView(
        initialUrl: 'https://www.stackoverflowtips.com/',
      ),
    );
  }
}

Compile your code and have it run in an emulator:

sample output from code labs. developers. google. com

Bonus Point

You  may face the following issue "Android Webview gives net::ERR_CACHE_MISS message"

You can fix this issue by 

• go to AndroidManifest.xml
• add the following configuration
• <uses-permission android:name="android.permission.INTERNET" />
• Ensure that you don't have webView.getSettings().setBlockNetworkLoads (false);